22529775798 has 12 divisors (see below), whose sum is σ = 48814514268. Its totient is φ = 7509925260.

The previous prime is 22529775773. The next prime is 22529775817. The reversal of 22529775798 is 89757792522.

22529775798 is a `hidden beast` number, since 2 + 2 + 52 + 9 + 7 + 7 + 579 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 625827088 + ... + 625827123.

It is an arithmetic number, because the mean of its divisors is an integer number (4067876189).

Almost surely, 2^22529775798 is an apocalyptic number.

22529775798 is an abundant number, since it is smaller than the sum of its proper divisors (26284738470).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22529775798 is a wasteful number, since it uses less digits than its factorization.

22529775798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1251654219 (or 1251654216 counting only the distinct ones).

The product of its digits is 44452800, while the sum is 63.

The spelling of 22529775798 in words is "twenty-two billion, five hundred twenty-nine million, seven hundred seventy-five thousand, seven hundred ninety-eight".